package com.situ.day6.oop;

public interface IFly {
    // double pi = 3.14;
    // final修饰的变量就是常量，常量一般用大写，多个单词之间用下划线
    public static final double PI = 3.14;

    // public abstract void fly();
    void fly();

    // Interface abstract methods cannot have body
    /*public void show() {

    }*/

    /*public default void show() {

    }*/
}
